var a = 1
var b = 2

func f():
	a = a+b
	a  = .1+ 2
	a= 1. +2
	a =1.0 + .2
	a = 1.0+ 2.

	a =a -b
	a = .1- 2
	a= 1.-2
	a = 1.0 - .2
	a =1.0- 2.

	a= a/ b
	a = .1 /2
	a =1. /2
	a = 1.0 / .2
	a =1.0/2.

	a = a *b
	a=.1* 2
	a = 1. *2
	a= 1.0* .2
	a =1.0 * 2.

	a = 10**10
	a = min(10, 10**10)

	a= a%  b
	a =1%2

	a =-1
	a=      +1

	a = ((-1 + 2) * (3-4) / 5 * 6%( -7 + 8-9 - 10)) * (- 11 + 12) / (13*14 % 15 +16)

	var v = Vector2(  1  ,  -   1  )
	var w = Vector2(1,10-1)

	print( - 1  )
	print( 1 - 1 )

	print(  - 1 + (1-1))
	print(  - 1 + (-1-1))

	if a > - 1:
		if a < - 1:
			if  a  == -  1:
				pass

	return  -  1
